1. A request for territorial extension made subsequent to an international registration pursuant to Article 3ter(2) of the Madrid Protocol may be filed through the intermediary of the Office. The request shall be filed in the language in which the international application was filed pursuant to Article 184 of this Regulation. It shall include indications to substantiate the entitlement to make a designation in accordance with Article 2(1)(ii) and Article 3ter(2) of the Madrid Protocol. The Office shall inform the applicant requesting the territorial extension of the date on which the request for territorial extension was received.
2. The Commission shall adopt implementing acts specifying the detailed requirements regarding the request for territorial extension pursuant to paragraph 1 of this Article. Those implementing acts shall be adopted in accordance with the examination procedure referred to in Article 207(2).
3. Where the request for territorial extension made subsequent to the international registration does not comply with the requirements set out in paragraph 1 and in the implementing act adopted pursuant to paragraph 2, the Office shall invite the applicant to remedy the deficiencies found within such time limit as it may specify. If the deficiencies are not remedied within the time limit fixed by the Office, the Office shall refuse to forward the request to the International Bureau. The Office shall not refuse to forward the request to the International Bureau before the applicant has had the opportunity to correct any deficiency detected in the request.
4. The Office shall forward the request for territorial extension made subsequent to the international registration to the International Bureau as soon as the requirements referred to in paragraph 3 are complied with.